Experimental Design and Statistical Inference Fall 2017 Dr. Rachel Pauletti Optional HW Assignment - Interpreting and Reporting APA-Style Results 1. The following is SPSS output from an independent samples t-test conducted to determine whether men and women differ in their confidence with regard to their academic ability. Write these results APA-style. Please make sure to include descriptives in your answer. Experimental Design and Statistical Inference Fall 2017 Dr. Rachel Pauletti 2. The following is SPSS output from a one-way ANOVA conducted to determine where individuals of different age groups (1 = younger, 2 = middle, 3 = older) varied in how many hours they worked per week while enrolled in college courses. Write these results APA-style. Make sure to include descriptives and the results of the post-hoc test in your answer. Descriptives HoursPerWeek N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean Lower Bound Minimum Maximum Upper Bound 1.00 16 17.0625 5.81342 1.45335 13.9647 20.1603 7.00 28.00 2.00 11 27.4545 10.90288 3.28734 20.1299 34.7792 14.00 50.00 3.00 4 32.5000 8.66025 4.33013 18.7196 46.2804 20.00 40.00 Total 31 22.7419 10.10270 1.81450 19.0362 26.4476 7.00 50.00 ANOVA HoursPerWeek Sum of Squares df Mean Square Between Groups 1141.271 2 570.635 Within Groups 1920.665 28 68.595 Total 3061.935 30 F Sig. 8.319 .001 Multiple Comparisons Dependent Variable: HoursPerWeek Tukey HSD (I) agegrp (J) agegrp Mean Difference Std. Error Sig. (I-J) 1.00 2.00 3.00 95% Confidence Interval Lower Bound Upper Bound 2.00 -10.39205 * 3.24394 .009 -18.4187 -2.3654 3.00 -15.43750* 4.62990 .007 -26.8935 -3.9815 1.00 10.39205 * 3.24394 .009 2.3654 18.4187 3.00 -5.04545 4.83577 .556 -17.0109 6.9199 1.00 15.43750 * 4.62990 .007 3.9815 26.8935 2.00 5.04545 4.83577 .556 -6.9199 17.0109